1825AC473MAT9A Equivalent & Substitute Parts

Part Overview

The 1825AC473MAT9A is a 0.047 µF ceramic capacitor rated for 1000V (1kV) with X7R temperature coefficient, manufactured by KYOCERA AVX. This high-voltage surface-mount multilayer ceramic capacitor (MLCC) is designed for general-purpose applications requiring stable capacitance across a wide operating temperature range of -55°C to 125°C. The part is currently active and in stock with 994 units available. Substitute parts are identified when electrical parameters remain within acceptable tolerances and mechanical compatibility is maintained.

Substiute Parts

1825AC473MAT9A

KYOCERA AVXIn Stock: 10651825AC473MAT9A Datasheet

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1825AC473KAT1A

KYOCERA AVXIn Stock: 23661825AC473KAT1A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1825AC473MAT9A is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match Exactly):

• Capacitance: 0.047 µF
• Voltage Rating: 1000V (1kV)
• Temperature Coefficient: X7R
• Package / Case: 1825 (4564 Metric)
• Mounting Type: Surface Mount, MLCC
• Operating Temperature Range: -55°C ~ 125°C

Allowable Variation:

• Tolerance: May be tighter (lower tolerance value) than the original ±20%
• Packaging Format: May differ (e.g., Tape & Reel vs. bulk) without affecting electrical performance

The substitute part 1825AC473KAT1A meets all critical parameters while offering improved tolerance specification (±10% versus ±20%), making it a direct electrical and mechanical equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the 1825AC473MAT9A and 1825AC473KAT1A are active products manufactured by KYOCERA AVX and maintain full ROHS3 compliance and REACH unaffected status. The substitute part 1825AC473KAT1A provides identical electrical and mechanical performance with the added benefit of tighter capacitance tolerance (±10% versus ±20%), which may improve circuit performance in applications requiring closer capacitance values. Both parts are suitable for direct substitution in PCB designs without layout modifications. Selection between these parts should be based on tolerance requirements, packaging format availability, and inventory considerations.

Frequently Asked Questions (FAQ)

Q: Can 1825AC473KAT1A replace 1825AC473MAT9A in existing designs? A: Yes. Both parts are electrically and mechanically identical with matching capacitance, voltage rating, temperature coefficient, package dimensions, and operating temperature range. The substitute offers tighter tolerance specification.

Q: What is the difference between these two part numbers? A: The primary difference is capacitance tolerance: 1825AC473MAT9A has ±20% tolerance, while 1825AC473KAT1A has ±10% tolerance. Both are 0.047 µF 1kV X7R ceramic capacitors in 1825 package format.

Q: Are there packaging differences between these parts? A: The 1825AC473MAT9A is supplied in standard packaging, while 1825AC473KAT1A is supplied in Tape & Reel (TR) format. Both formats contain identical components; packaging format does not affect electrical performance or PCB mounting compatibility.

Q: Do both parts meet regulatory requirements? A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes.

Q: What is the moisture sensitivity level for these capacitors? A: Both parts have Moisture Sensitivity Level (MSL) 1, which indicates unlimited shelf life without moisture baking requirements.